sprite from lodev and capture from random stackoverflow thread, now lets understand this nightmare

1 files changed, 8 insertions, 1 deletions

diff --git a/src/vector.c b/src/vector.c
index 44f784b..49a7344 100644
--- a/src/vector.c
+++ b/src/vector.c
@@ -6,7 +6,7 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/11/18 01:28:01 by cacharle          #+#    #+#             */
-/*   Updated: 2020/01/16 08:43:09 by cacharle         ###   ########.fr       */
+/*   Updated: 2020/02/02 22:29:59 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -19,6 +19,13 @@ t_vector	vector_add(t_vector a, t_vector b)
 	return (a);
 }
 
+t_vector	vector_sub(t_vector a, t_vector b)
+{
+	a.x -= b.x;
+	a.y -= b.y;
+	return (a);
+}
+
 t_vector	vector_scale(t_vector v, double scalar)
 {
 	v.x *= scalar;